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authorNathan Binkert <nate@binkert.org>2009-03-17 12:49:03 -0700
committerNathan Binkert <nate@binkert.org>2009-03-17 12:49:03 -0700
commita102f845404461bb3dade04fe3cdc754949bd248 (patch)
tree00db8cd096009d287ef796f95b2a9221bdb63416 /ext/dnet/eth.h
parentf3621f11d5fe19557984e5554983a69bb89fb8a2 (diff)
downloadgem5-a102f845404461bb3dade04fe3cdc754949bd248.tar.xz
includes: add ext to the includes path.
move dnet to the correct place so that we use this --HG-- rename : ext/dnet/dnet/addr.h => ext/dnet/addr.h rename : ext/dnet/dnet/arp.h => ext/dnet/arp.h rename : ext/dnet/dnet/blob.h => ext/dnet/blob.h rename : ext/dnet/dnet/eth.h => ext/dnet/eth.h rename : ext/dnet/dnet/fw.h => ext/dnet/fw.h rename : ext/dnet/dnet/icmp.h => ext/dnet/icmp.h rename : ext/dnet/dnet/intf.h => ext/dnet/intf.h rename : ext/dnet/dnet/ip.h => ext/dnet/ip.h rename : ext/dnet/dnet/ip6.h => ext/dnet/ip6.h rename : ext/dnet/dnet/os.h => ext/dnet/os.h rename : ext/dnet/dnet/rand.h => ext/dnet/rand.h rename : ext/dnet/dnet/route.h => ext/dnet/route.h rename : ext/dnet/dnet/tcp.h => ext/dnet/tcp.h rename : ext/dnet/dnet/udp.h => ext/dnet/udp.h
Diffstat (limited to 'ext/dnet/eth.h')
-rw-r--r--ext/dnet/eth.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/ext/dnet/eth.h b/ext/dnet/eth.h
new file mode 100644
index 000000000..da3033066
--- /dev/null
+++ b/ext/dnet/eth.h
@@ -0,0 +1,77 @@
+/*
+ * eth.h
+ *
+ * Ethernet.
+ *
+ * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
+ *
+ * $Id: eth.h,v 1.15 2004/01/03 08:47:23 dugsong Exp $
+ */
+
+#ifndef DNET_ETH_H
+#define DNET_ETH_H
+
+#define ETH_ADDR_LEN 6
+#define ETH_ADDR_BITS 48
+#define ETH_TYPE_LEN 2
+#define ETH_CRC_LEN 4
+#define ETH_HDR_LEN 14
+
+#define ETH_LEN_MIN 64 /* minimum frame length with CRC */
+#define ETH_LEN_MAX 1518 /* maximum frame length with CRC */
+
+#define ETH_MTU (ETH_LEN_MAX - ETH_HDR_LEN - ETH_CRC_LEN)
+#define ETH_MIN (ETH_LEN_MIN - ETH_HDR_LEN - ETH_CRC_LEN)
+
+typedef struct eth_addr {
+ uint8_t data[ETH_ADDR_LEN];
+} eth_addr_t;
+
+struct eth_hdr {
+ eth_addr_t eth_dst; /* destination address */
+ eth_addr_t eth_src; /* source address */
+ uint16_t eth_type; /* payload type */
+};
+
+/*
+ * Ethernet payload types - http://standards.ieee.org/regauth/ethertype
+ */
+#define ETH_TYPE_PUP 0x0200 /* PUP protocol */
+#define ETH_TYPE_IP 0x0800 /* IP protocol */
+#define ETH_TYPE_ARP 0x0806 /* address resolution protocol */
+#define ETH_TYPE_REVARP 0x8035 /* reverse addr resolution protocol */
+#define ETH_TYPE_8021Q 0x8100 /* IEEE 802.1Q VLAN tagging */
+#define ETH_TYPE_IPV6 0x86DD /* IPv6 protocol */
+#define ETH_TYPE_MPLS 0x8847 /* MPLS */
+#define ETH_TYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */
+#define ETH_TYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
+#define ETH_TYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
+#define ETH_TYPE_LOOPBACK 0x9000 /* used to test interfaces */
+
+#define ETH_IS_MULTICAST(ea) (*(ea) & 0x01) /* is address mcast/bcast? */
+
+#define ETH_ADDR_BROADCAST "\xff\xff\xff\xff\xff\xff"
+
+#define eth_pack_hdr(h, dst, src, type) do { \
+ struct eth_hdr *eth_pack_p = (struct eth_hdr *)(h); \
+ memmove(&eth_pack_p->eth_dst, &(dst), ETH_ADDR_LEN); \
+ memmove(&eth_pack_p->eth_src, &(src), ETH_ADDR_LEN); \
+ eth_pack_p->eth_type = htons(type); \
+} while (0)
+
+typedef struct eth_handle eth_t;
+
+__BEGIN_DECLS
+eth_t *eth_open(const char *device);
+int eth_get(eth_t *e, eth_addr_t *ea);
+int eth_set(eth_t *e, const eth_addr_t *ea);
+size_t eth_send(eth_t *e, const void *buf, size_t len);
+eth_t *eth_close(eth_t *e);
+
+char *eth_ntop(const eth_addr_t *eth, char *dst, size_t len);
+int eth_pton(const char *src, eth_addr_t *dst);
+char *eth_ntoa(const eth_addr_t *eth);
+#define eth_aton eth_pton
+__END_DECLS
+
+#endif /* DNET_ETH_H */